Makefile - chromiumos/third_party/flashrom - Git at Google

 #
 # This file is part of the flashrom project.
 #
 # Copyright (C) 2005 coresystems GmbH <stepan@coresystems.de>
 # Copyright (C) 2009,2010 Carl-Daniel Hailfinger
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation; version 2 of the License.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 #

 PROGRAM = flashrom

 CC      ?= gcc
 STRIP   ?= strip
 INSTALL = install
 DIFF    = diff
 PREFIX  ?= /usr/local
 MANDIR  ?= $(PREFIX)/share/man
 CFLAGS  ?= -Os -Wall -Wshadow
 EXPORTDIR ?= .
 AR      ?= ar
 RANLIB  ?= ranlib
 PKG_CONFIG ?= pkg-config

 WARNERROR ?= yes

 ifeq ($(WARNERROR), yes)
 CFLAGS += -Werror
 endif

 # FIXME We have to differentiate between host and target OS architecture.
 OS_ARCH	?= $(shell uname)
 ifneq ($(OS_ARCH), SunOS)
 STRIP_ARGS = -s
 endif
 ifeq ($(OS_ARCH), Darwin)
 CPPFLAGS += -I/opt/local/include -I/usr/local/include
 # DirectHW framework can be found in the DirectHW library.
 LDFLAGS += -framework IOKit -framework DirectHW -L/opt/local/lib -L/usr/local/lib
 endif
 ifeq ($(OS_ARCH), FreeBSD)
 CPPFLAGS += -I/usr/local/include
 LDFLAGS += -L/usr/local/lib
 endif
 ifeq ($(OS_ARCH), OpenBSD)
 CPPFLAGS += -I/usr/local/include
 LDFLAGS += -L/usr/local/lib
 endif
 ifeq ($(OS_ARCH), DOS)
 EXEC_SUFFIX := .exe
 CPPFLAGS += -I../libgetopt -I../libpci/include
 # FIXME Check if we can achieve the same effect with -L../libgetopt -lgetopt
 LIBS += ../libgetopt/libgetopt.a
 # Bus Pirate and Serprog are not supported under DOS (missing serial support).
 ifeq ($(CONFIG_BUSPIRATE_SPI), yes)
 UNSUPPORTED_FEATURES += CONFIG_BUSPIRATE_SPI=yes
 else
 override CONFIG_BUSPIRATE_SPI = no
 endif
 ifeq ($(CONFIG_SERPROG), yes)
 UNSUPPORTED_FEATURES += CONFIG_SERPROG=yes
 else
 override CONFIG_SERPROG = no
 endif
 # Dediprog and FT2232 are not supported under DOS (missing USB support).
 ifeq ($(CONFIG_DEDIPROG), yes)
 UNSUPPORTED_FEATURES += CONFIG_DEDIPROG=yes
 else
 override CONFIG_DEDIPROG = no
 endif
 ifeq ($(CONFIG_FT2232_SPI), yes)
 UNSUPPORTED_FEATURES += CONFIG_FT2232_SPI=yes
 else
 override CONFIG_FT2232_SPI = no
 endif
 endif

 ifeq ($(OS_ARCH), MINGW32_NT-5.1)
 # Explicitly set CC = gcc on MinGW, otherwise: "cc: command not found".
 CC = gcc
 # MinGW doesn't have the ffs() function, but we can use gcc's __builtin_ffs().
 CFLAGS += -Dffs=__builtin_ffs
 # libusb-win32/libftdi stuff is usually installed in /usr/local.
 CPPFLAGS += -I/usr/local/include
 LDFLAGS += -L/usr/local/lib
 # Serprog is not supported under Windows/MinGW (missing sockets support).
 ifeq ($(CONFIG_SERPROG), yes)
 UNSUPPORTED_FEATURES += CONFIG_SERPROG=yes
 else
 override CONFIG_SERPROG = no
 endif
 # For now we disable all PCI-based programmers on Windows/MinGW (no libpci).
 ifeq ($(CONFIG_INTERNAL), yes)
 UNSUPPORTED_FEATURES += CONFIG_INTERNAL=yes
 else
 override CONFIG_INTERNAL = no
 endif
 ifeq ($(CONFIG_RAYER_SPI), yes)
 UNSUPPORTED_FEATURES += CONFIG_RAYER_SPI=yes
 else
 override CONFIG_RAYER_SPI = no
 endif
 ifeq ($(CONFIG_NIC3COM), yes)
 UNSUPPORTED_FEATURES += CONFIG_NIC3COM=yes
 else
 override CONFIG_NIC3COM = no
 endif
 ifeq ($(CONFIG_GFXNVIDIA), yes)
 UNSUPPORTED_FEATURES += CONFIG_GFXNVIDIA=yes
 else
 override CONFIG_GFXNVIDIA = no
 endif
 ifeq ($(CONFIG_SATASII), yes)
 UNSUPPORTED_FEATURES += CONFIG_SATASII=yes
 else
 override CONFIG_SATASII = no
 endif
 ifeq ($(CONFIG_ATAHPT), yes)
 UNSUPPORTED_FEATURES += CONFIG_ATAHPT=yes
 else
 override CONFIG_ATAHPT = no
 endif
 ifeq ($(CONFIG_DRKAISER), yes)
 UNSUPPORTED_FEATURES += CONFIG_DRKAISER=yes
 else
 override CONFIG_DRKAISER = no
 endif
 ifeq ($(CONFIG_NICREALTEK), yes)
 UNSUPPORTED_FEATURES += CONFIG_NICREALTEK=yes
 else
 override CONFIG_NICREALTEK = no
 endif
 ifeq ($(CONFIG_NICNATSEMI), yes)
 UNSUPPORTED_FEATURES += CONFIG_NICNATSEMI=yes
 else
 override CONFIG_NICNATSEMI = no
 endif
 ifeq ($(CONFIG_NICINTEL), yes)
 UNSUPPORTED_FEATURES += CONFIG_NICINTEL=yes
 else
 override CONFIG_NICINTEL = no
 endif
 ifeq ($(CONFIG_NICINTEL_SPI), yes)
 UNSUPPORTED_FEATURES += CONFIG_NICINTEL_SPI=yes
 else
 override CONFIG_NICINTEL_SPI = no
 endif
 ifeq ($(CONFIG_OGP_SPI), yes)
 UNSUPPORTED_FEATURES += CONFIG_OGP_SPI=yes
 else
 override CONFIG_OGP_SPI = no
 endif
 ifeq ($(CONFIG_SATAMV), yes)
 UNSUPPORTED_FEATURES += CONFIG_SATAMV=yes
 else
 override CONFIG_SATAMV = no
 endif
 endif

 ifeq ($(OS_ARCH), libpayload)
 CC:=CC=i386-elf-gcc lpgcc
 AR:=i386-elf-ar
 RANLIB:=i386-elf-ranlib
 CPPFLAGS += -DSTANDALONE
 ifeq ($(CONFIG_DUMMY), yes)
 UNSUPPORTED_FEATURES += CONFIG_DUMMY=yes
 else
 override CONFIG_DUMMY = no
 endif
 ifeq ($(CONFIG_BUSPIRATE_SPI), yes)
 UNSUPPORTED_FEATURES += CONFIG_BUSPIRATE_SPI=yes
 else
 override CONFIG_BUSPIRATE_SPI = no
 endif
 ifeq ($(CONFIG_SERPROG), yes)
 UNSUPPORTED_FEATURES += CONFIG_SERPROG=yes
 else
 override CONFIG_SERPROG = no
 endif
 # Dediprog and FT2232 are not supported with libpayload (missing libusb support)
 ifeq ($(CONFIG_DEDIPROG), yes)
 UNSUPPORTED_FEATURES += CONFIG_DEDIPROG=yes
 else
 override CONFIG_DEDIPROG = no
 endif
 ifeq ($(CONFIG_FT2232_SPI), yes)
 UNSUPPORTED_FEATURES += CONFIG_FT2232_SPI=yes
 else
 override CONFIG_FT2232_SPI = no
 endif
 endif

 # Determine the destination processor architecture.
 # IMPORTANT: The following line must be placed before ARCH is ever used
 # (of course), but should come after any lines setting CC because the line
 # below uses CC itself. In some cases we set CC based on OS_ARCH, see above.
 override ARCH := $(strip $(shell LC_ALL=C $(CC) -E arch.h 2>/dev/null | grep -v '^\#'))

 ifeq ($(ARCH), "ppc")
 # There's no PCI port I/O support on PPC/PowerPC, yet.
 ifeq ($(CONFIG_NIC3COM), yes)
 UNSUPPORTED_FEATURES += CONFIG_NIC3COM=yes
 else
 override CONFIG_NIC3COM = no
 endif
 ifeq ($(CONFIG_NICREALTEK), yes)
 UNSUPPORTED_FEATURES += CONFIG_NICREALTEK=yes
 else
 override CONFIG_NICREALTEK = no
 endif
 ifeq ($(CONFIG_NICNATSEMI), yes)
 UNSUPPORTED_FEATURES += CONFIG_NICNATSEMI=yes
 else
 override CONFIG_NICNATSEMI = no
 endif
 ifeq ($(CONFIG_RAYER_SPI), yes)
 UNSUPPORTED_FEATURES += CONFIG_RAYER_SPI=yes
 else
 override CONFIG_RAYER_SPI = no
 endif
 ifeq ($(CONFIG_ATAHPT), yes)
 UNSUPPORTED_FEATURES += CONFIG_ATAHPT=yes
 else
 override CONFIG_ATAHPT = no
 endif
 ifeq ($(CONFIG_SATAMV), yes)
 UNSUPPORTED_FEATURES += CONFIG_SATAMV=yes
 else
 override CONFIG_SATAMV = no
 endif
 endif

 CHIP_OBJS = jedec.o stm50flw0x0x.o w39.o w29ee011.o \
 	sst28sf040.o m29f400bt.o 82802ab.o pm49fl00x.o \
 	sst49lfxxxc.o sst_fwhub.o flashchips.o spi.o spi25.o sharplhf00l04.o \
 	a25.o at25.o opaque.o writeprotect.o

 LIB_OBJS = layout.o file.o fmap.o power.o

 LOCK_OBJS = csem.o ipc_lock.o big_lock.o
 ifeq ($(shell ./util/use_big_lock.sh), 0)
 LIB_OBJS += $(LOCK_OBJS)
 FEATURE_CFLAGS += -D'USE_BIG_LOCK=1'
 endif

 CLI_OBJS = flashrom.o cli_mfg.o cli_output.o print.o

 PROGRAMMER_OBJS = udelay.o programmer.o

 all: pciutils features $(PROGRAM)$(EXEC_SUFFIX)

 # Set the flashrom version string from the highest revision number
 # of the checked out flashrom files.
 # Note to packagers: Any tree exported with "make export" or "make tarball"
 # will not require subversion. The downloadable snapshots are already exported.
 SVNVERSION := $(shell ./util/getversion.sh)

 RELEASE := 0.9.4
 VERSION := $(RELEASE) $(SVNVERSION)
 RELEASENAME ?= $(VERSION)

 SVNDEF := -D'FLASHROM_VERSION="$(VERSION)"'

 # Always enable internal/onboard support for now.
 CONFIG_INTERNAL ?= yes

 # Always enable serprog for now. Needs to be disabled on Windows.
 CONFIG_SERPROG ?= no

 # RayeR SPIPGM hardware support
 CONFIG_RAYER_SPI ?= no

 # Always enable 3Com NICs for now.
 CONFIG_NIC3COM ?= no

 # Enable NVIDIA graphics cards. Note: write and erase do not work properly.
 CONFIG_GFXNVIDIA ?= no

 # Always enable SiI SATA controllers for now.
 CONFIG_SATASII ?= no

 # Highpoint (HPT) ATA/RAID controller support.
 # IMPORTANT: This code is not yet working!
 CONFIG_ATAHPT ?= no

 # Always enable FT2232 SPI dongles for now.
 CONFIG_FT2232_SPI ?= yes

 # Always enable dummy tracing for now.
 CONFIG_DUMMY ?= yes

 # Always enable Dr. Kaiser for now.
 CONFIG_DRKAISER ?= no

 # Always enable Realtek NICs for now.
 CONFIG_NICREALTEK ?= no

 # Disable National Semiconductor NICs until support is complete and tested.
 CONFIG_NICNATSEMI ?= no

 # Always enable Intel NICs for now.
 CONFIG_NICINTEL ?= no

 # Always enable SPI on Intel NICs for now.
 CONFIG_NICINTEL_SPI ?= no

 # Always enable SPI on OGP cards for now.
 CONFIG_OGP_SPI ?= no

 # Always enable Bus Pirate SPI for now.
 CONFIG_BUSPIRATE_SPI ?= no

 # Enable Linux I2C for ChromeOS EC
 CONFIG_LINUX_I2C ?= no

 # Disable Linux spidev interface support for now, until we check for a Linux
 # device (not host, as DOS binaries for example are built on a Linux host).
 CONFIG_LINUX_SPI ?= no

 # Disable Dediprog SF100 until support is complete and tested.
 CONFIG_DEDIPROG ?= no

 # Always enable Marvell SATA controllers for now.
 CONFIG_SATAMV ?= yes

 # Disable wiki printing by default. It is only useful if you have wiki access.
 CONFIG_PRINT_WIKI ?= no

 # Bitbanging SPI infrastructure, default off unless needed.
 ifeq ($(CONFIG_RAYER_SPI), yes)
 override CONFIG_BITBANG_SPI = yes
 else
 ifeq ($(CONFIG_INTERNAL), yes)
 override CONFIG_BITBANG_SPI = yes
 else
 ifeq ($(CONFIG_NICINTEL_SPI), yes)
 override CONFIG_BITBANG_SPI = yes
 else
 ifeq ($(CONFIG_OGP_SPI), yes)
 override CONFIG_BITBANG_SPI = yes
 else
 CONFIG_BITBANG_SPI ?= no
 endif
 endif
 endif
 endif

 ifeq ($(CONFIG_INTERNAL), yes)
 FEATURE_CFLAGS += -D'CONFIG_INTERNAL=1'
 PROGRAMMER_OBJS += processor_enable.o chipset_enable.o board_enable.o cbtable.o dmi.o internal.o gec.o
 ifeq ($(ARCH),"x86")
 PROGRAMMER_OBJS += gec_lpc.o it87spi.o it85spi.o mec1308.o sb600spi.o wbsio_spi.o mcp6x_spi.o wpce775x.o ene_lpc.o
 PROGRAMMER_OBJS += ichspi.o ich_descriptors.o
 else
 ifeq ($(ARCH),"arm")
 PROGRAMMER_OBJS += gec_i2c.o tegra2_spi.o
 endif
 NEED_PCI := yes
 endif
 endif

 ifeq ($(CONFIG_SERPROG), yes)
 FEATURE_CFLAGS += -D'CONFIG_SERPROG=1'
 PROGRAMMER_OBJS += serprog.o
 NEED_SERIAL := yes
 NEED_NET := yes
 endif

 ifeq ($(CONFIG_RAYER_SPI), yes)
 FEATURE_CFLAGS += -D'CONFIG_RAYER_SPI=1'
 PROGRAMMER_OBJS += rayer_spi.o
 # Actually, NEED_PCI is wrong. NEED_IOPORT_ACCESS would be more correct.
 NEED_PCI := yes
 endif

 ifeq ($(CONFIG_BITBANG_SPI), yes)
 FEATURE_CFLAGS += -D'CONFIG_BITBANG_SPI=1'
 PROGRAMMER_OBJS += bitbang_spi.o
 endif

 ifeq ($(CONFIG_NIC3COM), yes)
 FEATURE_CFLAGS += -D'CONFIG_NIC3COM=1'
 PROGRAMMER_OBJS += nic3com.o
 NEED_PCI := yes
 endif

 ifeq ($(CONFIG_GFXNVIDIA), yes)
 FEATURE_CFLAGS += -D'CONFIG_GFXNVIDIA=1'
 PROGRAMMER_OBJS += gfxnvidia.o
 NEED_PCI := yes
 endif

 ifeq ($(CONFIG_SATASII), yes)
 FEATURE_CFLAGS += -D'CONFIG_SATASII=1'
 PROGRAMMER_OBJS += satasii.o
 NEED_PCI := yes
 endif

 ifeq ($(CONFIG_ATAHPT), yes)
 FEATURE_CFLAGS += -D'CONFIG_ATAHPT=1'
 PROGRAMMER_OBJS += atahpt.o
 NEED_PCI := yes
 endif

 ifeq ($(CONFIG_FT2232_SPI), yes)
 FTDILIBS := $(shell pkg-config --libs libftdi 2>/dev/null || printf "%s" "-lftdi -lusb")
 # This is a totally ugly hack.
 FEATURE_CFLAGS += $(shell LC_ALL=C grep -q "FTDISUPPORT := yes" .features && printf "%s" "-D'CONFIG_FT2232_SPI=1'")
 FEATURE_LIBS += $(shell LC_ALL=C grep -q "FTDISUPPORT := yes" .features && printf "%s" "$(FTDILIBS)")
 PROGRAMMER_OBJS += ft2232_spi.o
 endif

 ifeq ($(CONFIG_DUMMY), yes)
 FEATURE_CFLAGS += -D'CONFIG_DUMMY=1'
 PROGRAMMER_OBJS += dummyflasher.o
 endif

 ifeq ($(CONFIG_DRKAISER), yes)
 FEATURE_CFLAGS += -D'CONFIG_DRKAISER=1'
 PROGRAMMER_OBJS += drkaiser.o
 NEED_PCI := yes
 endif

 ifeq ($(CONFIG_NICREALTEK), yes)
 FEATURE_CFLAGS += -D'CONFIG_NICREALTEK=1'
 PROGRAMMER_OBJS += nicrealtek.o
 NEED_PCI := yes
 endif

 ifeq ($(CONFIG_NICNATSEMI), yes)
 FEATURE_CFLAGS += -D'CONFIG_NICNATSEMI=1'
 PROGRAMMER_OBJS += nicnatsemi.o
 NEED_PCI := yes
 endif

 ifeq ($(CONFIG_NICINTEL), yes)
 FEATURE_CFLAGS += -D'CONFIG_NICINTEL=1'
 PROGRAMMER_OBJS += nicintel.o
 NEED_PCI := yes
 endif

 ifeq ($(CONFIG_NICINTEL_SPI), yes)
 FEATURE_CFLAGS += -D'CONFIG_NICINTEL_SPI=1'
 PROGRAMMER_OBJS += nicintel_spi.o
 NEED_PCI := yes
 endif

 ifeq ($(CONFIG_OGP_SPI), yes)
 FEATURE_CFLAGS += -D'CONFIG_OGP_SPI=1'
 PROGRAMMER_OBJS += ogp_spi.o
 NEED_PCI := yes
 endif

 ifeq ($(CONFIG_BUSPIRATE_SPI), yes)
 FEATURE_CFLAGS += -D'CONFIG_BUSPIRATE_SPI=1'
 PROGRAMMER_OBJS += buspirate_spi.o
 NEED_SERIAL := yes
 endif

 ifeq ($(CONFIG_LINUX_I2C), yes)
 FEATURE_CFLAGS += -D'CONFIG_LINUX_I2C=1'
 PROGRAMMER_OBJS += linux_i2c.o
 endif

 ifeq ($(CONFIG_LINUX_SPI), yes)
 FEATURE_CFLAGS += -D'CONFIG_LINUX_SPI=1'
 PROGRAMMER_OBJS += linux_spi.o
 endif

 ifeq ($(CONFIG_DEDIPROG), yes)
 FEATURE_CFLAGS += -D'CONFIG_DEDIPROG=1'
 FEATURE_LIBS += -lusb
 PROGRAMMER_OBJS += dediprog.o
 endif

 ifeq ($(CONFIG_SATAMV), yes)
 FEATURE_CFLAGS += -D'CONFIG_SATAMV=1'
 PROGRAMMER_OBJS += satamv.o
 NEED_PCI := yes
 endif

 ifeq ($(NEED_SERIAL), yes)
 LIB_OBJS += serial.o
 endif

 ifeq ($(NEED_NET), yes)
 ifeq ($(OS_ARCH), SunOS)
 LIBS += -lsocket
 endif
 endif

 ifeq ($(NEED_PCI), yes)
 CHECK_LIBPCI = yes
 FEATURE_CFLAGS += -D'NEED_PCI=1'
 PROGRAMMER_OBJS += pcidev.o physmap.o hwaccess.o
 ifeq ($(OS_ARCH), NetBSD)
 # The libpci we want is called libpciutils on NetBSD and needs NetBSD libpci.
 LIBS += -lpciutils -lpci
 # For (i386|x86_64)_iopl(2).
 LIBS += -l$(shell uname -p)
 else
 ifeq ($(OS_ARCH), DOS)
 # FIXME There needs to be a better way to do this
 LIBS += ../libpci/lib/libpci.a
 else
 ifeq ($(CONFIG_STATIC), yes)
 LIBS_PCI := $(shell $(PKG_CONFIG) --libs --static libpci)
 LIBS += -static $(LIBS_PCI)
 else
 LIBS += -lpci
 endif
 ifeq ($(OS_ARCH), OpenBSD)
 # For (i386|amd64)_iopl(2).
 LIBS += -l$(shell uname -m)
 endif
 endif
 endif
 endif

 ifeq ($(CONFIG_PRINT_WIKI), yes)
 FEATURE_CFLAGS += -D'CONFIG_PRINT_WIKI=1'
 CLI_OBJS += print_wiki.o
 endif

 FEATURE_CFLAGS += $(shell LC_ALL=C grep -q "UTSNAME := yes" .features && printf "%s" "-D'HAVE_UTSNAME=1'")

 # We could use PULLED_IN_LIBS, but that would be ugly.
 FEATURE_LIBS += $(shell LC_ALL=C grep -q "NEEDLIBZ := yes" .libdeps && printf "%s" "-lz")

 LIBFLASHROM_OBJS = $(CHIP_OBJS) $(PROGRAMMER_OBJS) $(LIB_OBJS)
 OBJS = $(CLI_OBJS) $(LIBFLASHROM_OBJS)

 $(PROGRAM)$(EXEC_SUFFIX): $(OBJS)
 	$(CC) $(LDFLAGS) -o $(PROGRAM)$(EXEC_SUFFIX) $(OBJS) $(FEATURE_LIBS) $(LIBS)

 libflashrom.a: $(LIBFLASHROM_OBJS)
 	$(AR) rcs $@ $^
 	$(RANLIB) $@

 # TAROPTIONS reduces information leakage from the packager's system.
 # If other tar programs support command line arguments for setting uid/gid of
 # stored files, they can be handled here as well.
 TAROPTIONS = $(shell LC_ALL=C tar --version|grep -q GNU && echo "--owner=root --group=root")

 %.o: %.c .features
 	$(CC) -MMD $(CFLAGS) $(CPPFLAGS) $(FEATURE_CFLAGS) $(SVNDEF) -o $@ -c $<

 # Make sure to add all names of generated binaries here.
 # This includes all frontends and libflashrom.
 # We don't use EXEC_SUFFIX here because we want to clean everything.
 clean:
 	rm -f $(PROGRAM) $(PROGRAM).exe libflashrom.a *.o *.d

 distclean: clean
 	rm -f .features .libdeps

 strip: $(PROGRAM)$(EXEC_SUFFIX)
 	$(STRIP) $(STRIP_ARGS) $(PROGRAM)$(EXEC_SUFFIX)

 # to define test programs we use verbatim variables, which get exported
 # to environment variables and are referenced with $$<varname> later

 define COMPILER_TEST
 int main(int argc, char **argv)
 {
 	(void) argc;
 	(void) argv;
 	return 0;
 }
 endef
 export COMPILER_TEST

 compiler: featuresavailable
 	@printf "Checking for a C compiler... "
 	@echo "$$COMPILER_TEST" > .test.c
 	@$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) .test.c -o .test$(EXEC_SUFFIX) >/dev/null 2>&1 &&	\
 		echo "found." || ( echo "not found."; \
 		rm -f .test.c .test$(EXEC_SUFFIX); exit 1)
 	@rm -f .test.c .test$(EXEC_SUFFIX)
 	@printf "ARCH is "
 	@# FreeBSD wc will output extraneous whitespace.
 	@echo $(ARCH)|wc -l|grep -q '^[[:blank:]]*1[[:blank:]]*$$' ||	\
 		( echo "unknown. Aborting."; exit 1)
 	@printf "%s\n" '$(ARCH)'

 define LIBPCI_TEST
 /* Avoid a failing test due to libpci header symbol shadowing breakage */
 #define index shadow_workaround_index
 #include <pci/pci.h>
 struct pci_access *pacc;
 int main(int argc, char **argv)
 {
 	(void) argc;
 	(void) argv;
 	pacc = pci_alloc();
 	return 0;
 }
 endef
 export LIBPCI_TEST

 ifeq ($(CHECK_LIBPCI), yes)
 pciutils: compiler
 	@printf "Checking for libpci headers... "
 	@echo "$$LIBPCI_TEST" > .test.c
 	@$(CC) -c $(CPPFLAGS) $(CFLAGS) .test.c -o .test.o >/dev/null 2>&1 &&		\
 		echo "found." || ( echo "not found."; echo;			\
 		echo "Please install libpci headers (package pciutils-devel).";	\
 		echo "See README for more information."; echo;			\
 		rm -f .test.c .test.o; exit 1)
 	@printf "Checking if libpci is present and sufficient... "
 	@printf "" > .libdeps
 	@$(CC) $(LDFLAGS) .test.o -o .test$(EXEC_SUFFIX) $(LIBS) >/dev/null 2>&1 &&				\
 		echo "yes." || ( echo "no.";							\
 		printf "Checking if libz+libpci are present and sufficient...";	\
 		$(CC) $(LDFLAGS) .test.o -o .test$(EXEC_SUFFIX) $(LIBS) -lz >/dev/null 2>&1 &&		\
 		( echo "yes."; echo "NEEDLIBZ := yes" > .libdeps ) || ( echo "no."; echo;	\
 		echo "Please install libpci (package pciutils) and/or libz.";			\
 		echo "See README for more information."; echo;				\
 		rm -f .test.c .test.o .test$(EXEC_SUFFIX); exit 1) )
 	@rm -f .test.c .test.o .test$(EXEC_SUFFIX)
 else
 pciutils: compiler
 	@printf "" > .libdeps
 endif

 .features: features

 # If a user does not explicitly request a non-working feature, we should
 # silently disable it. However, if a non-working (does not compile) feature
 # is explicitly requested, we should bail out with a descriptive error message.
 ifeq ($(UNSUPPORTED_FEATURES), )
 featuresavailable:
 else
 featuresavailable:
 	@echo "The following features are unavailable on your machine: $(UNSUPPORTED_FEATURES)"
 	@false
 endif

 define FTDI_TEST
 #include <ftdi.h>
 struct ftdi_context *ftdic = NULL;
 int main(int argc, char **argv)
 {
 	(void) argc;
 	(void) argv;
 	return ftdi_init(ftdic);
 }
 endef
 export FTDI_TEST

 define UTSNAME_TEST
 #include <sys/utsname.h>
 struct utsname osinfo;
 int main(int argc, char **argv)
 {
 	(void) argc;
 	(void) argv;
 	uname (&osinfo);
 	return 0;
 }
 endef
 export UTSNAME_TEST

 features: compiler
 	@echo "FEATURES := yes" > .features.tmp
 ifeq ($(CONFIG_FT2232_SPI), yes)
 	@printf "Checking for FTDI support... "
 	@echo "$$FTDI_TEST" > .featuretest.c
 	@$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) .featuretest.c -o .featuretest$(EXEC_SUFFIX) $(FTDILIBS) $(LIBS) >/dev/null 2>&1 &&	\
 		( echo "found."; echo "FTDISUPPORT := yes" >> .features.tmp ) ||	\
 		( echo "not found."; echo "FTDISUPPORT := no" >> .features.tmp )
 endif
 	@printf "Checking for utsname support... "
 	@echo "$$UTSNAME_TEST" > .featuretest.c
 	@$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) .featuretest.c -o .featuretest$(EXEC_SUFFIX) >/dev/null 2>&1 &&	\
 		( echo "found."; echo "UTSNAME := yes" >> .features.tmp ) ||	\
 		( echo "not found."; echo "UTSNAME := no" >> .features.tmp )
 	@$(DIFF) -q .features.tmp .features >/dev/null 2>&1 && rm .features.tmp || mv .features.tmp .features
 	@rm -f .featuretest.c .featuretest$(EXEC_SUFFIX)

 install: $(PROGRAM)$(EXEC_SUFFIX)
 	mkdir -p $(DESTDIR)$(PREFIX)/sbin
 	mkdir -p $(DESTDIR)$(MANDIR)/man8
 	$(INSTALL) -m 0755 $(PROGRAM)$(EXEC_SUFFIX) $(DESTDIR)$(PREFIX)/sbin
 	$(INSTALL) -m 0644 $(PROGRAM).8 $(DESTDIR)$(MANDIR)/man8

 export:
 	@rm -rf $(EXPORTDIR)/flashrom-$(RELEASENAME)
 	@svn export -r BASE . $(EXPORTDIR)/flashrom-$(RELEASENAME)
 	@sed "s/^SVNVERSION.*/SVNVERSION := $(SVNVERSION)/" Makefile >$(EXPORTDIR)/flashrom-$(RELEASENAME)/Makefile
 	@LC_ALL=C svn log >$(EXPORTDIR)/flashrom-$(RELEASENAME)/ChangeLog
 	@echo Exported $(EXPORTDIR)/flashrom-$(RELEASENAME)/

 tarball: export
 	@tar cjf $(EXPORTDIR)/flashrom-$(RELEASENAME).tar.bz2 -C $(EXPORTDIR)/ $(TAROPTIONS) flashrom-$(RELEASENAME)/
 	@rm -rf $(EXPORTDIR)/flashrom-$(RELEASENAME)
 	@echo Created $(EXPORTDIR)/flashrom-$(RELEASENAME).tar.bz2

 djgpp-dos: clean
 	make CC=i586-pc-msdosdjgpp-gcc STRIP=i586-pc-msdosdjgpp-strip WARNERROR=no OS_ARCH=DOS

 .PHONY: all clean distclean compiler pciutils features export tarball dos featuresavailable

 -include $(OBJS:.o=.d)
	#
	# This file is part of the flashrom project.
	#
	# Copyright (C) 2005 coresystems GmbH <stepan@coresystems.de>
	# Copyright (C) 2009,2010 Carl-Daniel Hailfinger
	#
	# This program is free software; you can redistribute it and/or modify
	# it under the terms of the GNU General Public License as published by
	# the Free Software Foundation; version 2 of the License.
	#
	# This program is distributed in the hope that it will be useful,
	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	# GNU General Public License for more details.
	#
	# You should have received a copy of the GNU General Public License
	# along with this program; if not, write to the Free Software
	# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	#

	PROGRAM = flashrom

	CC ?= gcc
	STRIP ?= strip
	INSTALL = install
	DIFF = diff
	PREFIX ?= /usr/local
	MANDIR ?= $(PREFIX)/share/man
	CFLAGS ?= -Os -Wall -Wshadow
	EXPORTDIR ?= .
	AR ?= ar
	RANLIB ?= ranlib
	PKG_CONFIG ?= pkg-config

	WARNERROR ?= yes

	ifeq ($(WARNERROR), yes)
	CFLAGS += -Werror
	endif

	# FIXME We have to differentiate between host and target OS architecture.
	OS_ARCH ?= $(shell uname)
	ifneq ($(OS_ARCH), SunOS)
	STRIP_ARGS = -s
	endif
	ifeq ($(OS_ARCH), Darwin)
	CPPFLAGS += -I/opt/local/include -I/usr/local/include
	# DirectHW framework can be found in the DirectHW library.
	LDFLAGS += -framework IOKit -framework DirectHW -L/opt/local/lib -L/usr/local/lib
	endif
	ifeq ($(OS_ARCH), FreeBSD)
	CPPFLAGS += -I/usr/local/include
	LDFLAGS += -L/usr/local/lib
	endif
	ifeq ($(OS_ARCH), OpenBSD)
	CPPFLAGS += -I/usr/local/include
	LDFLAGS += -L/usr/local/lib
	endif
	ifeq ($(OS_ARCH), DOS)
	EXEC_SUFFIX := .exe
	CPPFLAGS += -I../libgetopt -I../libpci/include
	# FIXME Check if we can achieve the same effect with -L../libgetopt -lgetopt
	LIBS += ../libgetopt/libgetopt.a
	# Bus Pirate and Serprog are not supported under DOS (missing serial support).
	ifeq ($(CONFIG_BUSPIRATE_SPI), yes)
	UNSUPPORTED_FEATURES += CONFIG_BUSPIRATE_SPI=yes
	else
	override CONFIG_BUSPIRATE_SPI = no
	endif
	ifeq ($(CONFIG_SERPROG), yes)
	UNSUPPORTED_FEATURES += CONFIG_SERPROG=yes
	else
	override CONFIG_SERPROG = no
	endif
	# Dediprog and FT2232 are not supported under DOS (missing USB support).
	ifeq ($(CONFIG_DEDIPROG), yes)
	UNSUPPORTED_FEATURES += CONFIG_DEDIPROG=yes
	else
	override CONFIG_DEDIPROG = no
	endif
	ifeq ($(CONFIG_FT2232_SPI), yes)
	UNSUPPORTED_FEATURES += CONFIG_FT2232_SPI=yes
	else
	override CONFIG_FT2232_SPI = no
	endif
	endif

	ifeq ($(OS_ARCH), MINGW32_NT-5.1)
	# Explicitly set CC = gcc on MinGW, otherwise: "cc: command not found".
	CC = gcc
	# MinGW doesn't have the ffs() function, but we can use gcc's __builtin_ffs().
	CFLAGS += -Dffs=__builtin_ffs
	# libusb-win32/libftdi stuff is usually installed in /usr/local.
	CPPFLAGS += -I/usr/local/include
	LDFLAGS += -L/usr/local/lib
	# Serprog is not supported under Windows/MinGW (missing sockets support).
	ifeq ($(CONFIG_SERPROG), yes)
	UNSUPPORTED_FEATURES += CONFIG_SERPROG=yes
	else
	override CONFIG_SERPROG = no
	endif
	# For now we disable all PCI-based programmers on Windows/MinGW (no libpci).
	ifeq ($(CONFIG_INTERNAL), yes)
	UNSUPPORTED_FEATURES += CONFIG_INTERNAL=yes
	else
	override CONFIG_INTERNAL = no
	endif
	ifeq ($(CONFIG_RAYER_SPI), yes)
	UNSUPPORTED_FEATURES += CONFIG_RAYER_SPI=yes
	else
	override CONFIG_RAYER_SPI = no
	endif
	ifeq ($(CONFIG_NIC3COM), yes)
	UNSUPPORTED_FEATURES += CONFIG_NIC3COM=yes
	else
	override CONFIG_NIC3COM = no
	endif
	ifeq ($(CONFIG_GFXNVIDIA), yes)
	UNSUPPORTED_FEATURES += CONFIG_GFXNVIDIA=yes
	else
	override CONFIG_GFXNVIDIA = no
	endif
	ifeq ($(CONFIG_SATASII), yes)
	UNSUPPORTED_FEATURES += CONFIG_SATASII=yes
	else
	override CONFIG_SATASII = no
	endif
	ifeq ($(CONFIG_ATAHPT), yes)
	UNSUPPORTED_FEATURES += CONFIG_ATAHPT=yes
	else
	override CONFIG_ATAHPT = no
	endif
	ifeq ($(CONFIG_DRKAISER), yes)
	UNSUPPORTED_FEATURES += CONFIG_DRKAISER=yes
	else
	override CONFIG_DRKAISER = no
	endif
	ifeq ($(CONFIG_NICREALTEK), yes)
	UNSUPPORTED_FEATURES += CONFIG_NICREALTEK=yes
	else
	override CONFIG_NICREALTEK = no
	endif
	ifeq ($(CONFIG_NICNATSEMI), yes)
	UNSUPPORTED_FEATURES += CONFIG_NICNATSEMI=yes
	else
	override CONFIG_NICNATSEMI = no
	endif
	ifeq ($(CONFIG_NICINTEL), yes)
	UNSUPPORTED_FEATURES += CONFIG_NICINTEL=yes
	else
	override CONFIG_NICINTEL = no
	endif
	ifeq ($(CONFIG_NICINTEL_SPI), yes)
	UNSUPPORTED_FEATURES += CONFIG_NICINTEL_SPI=yes
	else
	override CONFIG_NICINTEL_SPI = no
	endif
	ifeq ($(CONFIG_OGP_SPI), yes)
	UNSUPPORTED_FEATURES += CONFIG_OGP_SPI=yes
	else
	override CONFIG_OGP_SPI = no
	endif
	ifeq ($(CONFIG_SATAMV), yes)
	UNSUPPORTED_FEATURES += CONFIG_SATAMV=yes
	else
	override CONFIG_SATAMV = no
	endif
	endif

	ifeq ($(OS_ARCH), libpayload)
	CC:=CC=i386-elf-gcc lpgcc
	AR:=i386-elf-ar
	RANLIB:=i386-elf-ranlib
	CPPFLAGS += -DSTANDALONE
	ifeq ($(CONFIG_DUMMY), yes)
	UNSUPPORTED_FEATURES += CONFIG_DUMMY=yes
	else
	override CONFIG_DUMMY = no
	endif
	ifeq ($(CONFIG_BUSPIRATE_SPI), yes)
	UNSUPPORTED_FEATURES += CONFIG_BUSPIRATE_SPI=yes
	else
	override CONFIG_BUSPIRATE_SPI = no
	endif
	ifeq ($(CONFIG_SERPROG), yes)
	UNSUPPORTED_FEATURES += CONFIG_SERPROG=yes
	else
	override CONFIG_SERPROG = no
	endif
	# Dediprog and FT2232 are not supported with libpayload (missing libusb support)
	ifeq ($(CONFIG_DEDIPROG), yes)
	UNSUPPORTED_FEATURES += CONFIG_DEDIPROG=yes
	else
	override CONFIG_DEDIPROG = no
	endif
	ifeq ($(CONFIG_FT2232_SPI), yes)
	UNSUPPORTED_FEATURES += CONFIG_FT2232_SPI=yes
	else
	override CONFIG_FT2232_SPI = no
	endif
	endif

	# Determine the destination processor architecture.
	# IMPORTANT: The following line must be placed before ARCH is ever used
	# (of course), but should come after any lines setting CC because the line
	# below uses CC itself. In some cases we set CC based on OS_ARCH, see above.
	override ARCH := $(strip $(shell LC_ALL=C $(CC) -E arch.h 2>/dev/null \| grep -v '^\#'))

	ifeq ($(ARCH), "ppc")
	# There's no PCI port I/O support on PPC/PowerPC, yet.
	ifeq ($(CONFIG_NIC3COM), yes)
	UNSUPPORTED_FEATURES += CONFIG_NIC3COM=yes
	else
	override CONFIG_NIC3COM = no
	endif
	ifeq ($(CONFIG_NICREALTEK), yes)
	UNSUPPORTED_FEATURES += CONFIG_NICREALTEK=yes
	else
	override CONFIG_NICREALTEK = no
	endif
	ifeq ($(CONFIG_NICNATSEMI), yes)
	UNSUPPORTED_FEATURES += CONFIG_NICNATSEMI=yes
	else
	override CONFIG_NICNATSEMI = no
	endif
	ifeq ($(CONFIG_RAYER_SPI), yes)
	UNSUPPORTED_FEATURES += CONFIG_RAYER_SPI=yes
	else
	override CONFIG_RAYER_SPI = no
	endif
	ifeq ($(CONFIG_ATAHPT), yes)
	UNSUPPORTED_FEATURES += CONFIG_ATAHPT=yes
	else
	override CONFIG_ATAHPT = no
	endif
	ifeq ($(CONFIG_SATAMV), yes)
	UNSUPPORTED_FEATURES += CONFIG_SATAMV=yes
	else
	override CONFIG_SATAMV = no
	endif
	endif

	CHIP_OBJS = jedec.o stm50flw0x0x.o w39.o w29ee011.o \
	sst28sf040.o m29f400bt.o 82802ab.o pm49fl00x.o \
	sst49lfxxxc.o sst_fwhub.o flashchips.o spi.o spi25.o sharplhf00l04.o \
	a25.o at25.o opaque.o writeprotect.o

	LIB_OBJS = layout.o file.o fmap.o power.o

	LOCK_OBJS = csem.o ipc_lock.o big_lock.o
	ifeq ($(shell ./util/use_big_lock.sh), 0)
	LIB_OBJS += $(LOCK_OBJS)
	FEATURE_CFLAGS += -D'USE_BIG_LOCK=1'
	endif

	CLI_OBJS = flashrom.o cli_mfg.o cli_output.o print.o

	PROGRAMMER_OBJS = udelay.o programmer.o

	all: pciutils features $(PROGRAM)$(EXEC_SUFFIX)

	# Set the flashrom version string from the highest revision number
	# of the checked out flashrom files.
	# Note to packagers: Any tree exported with "make export" or "make tarball"
	# will not require subversion. The downloadable snapshots are already exported.
	SVNVERSION := $(shell ./util/getversion.sh)

	RELEASE := 0.9.4
	VERSION := $(RELEASE) $(SVNVERSION)
	RELEASENAME ?= $(VERSION)

	SVNDEF := -D'FLASHROM_VERSION="$(VERSION)"'

	# Always enable internal/onboard support for now.
	CONFIG_INTERNAL ?= yes

	# Always enable serprog for now. Needs to be disabled on Windows.
	CONFIG_SERPROG ?= no

	# RayeR SPIPGM hardware support
	CONFIG_RAYER_SPI ?= no

	# Always enable 3Com NICs for now.
	CONFIG_NIC3COM ?= no

	# Enable NVIDIA graphics cards. Note: write and erase do not work properly.
	CONFIG_GFXNVIDIA ?= no

	# Always enable SiI SATA controllers for now.
	CONFIG_SATASII ?= no

	# Highpoint (HPT) ATA/RAID controller support.
	# IMPORTANT: This code is not yet working!
	CONFIG_ATAHPT ?= no

	# Always enable FT2232 SPI dongles for now.
	CONFIG_FT2232_SPI ?= yes

	# Always enable dummy tracing for now.
	CONFIG_DUMMY ?= yes

	# Always enable Dr. Kaiser for now.
	CONFIG_DRKAISER ?= no

	# Always enable Realtek NICs for now.
	CONFIG_NICREALTEK ?= no

	# Disable National Semiconductor NICs until support is complete and tested.
	CONFIG_NICNATSEMI ?= no

	# Always enable Intel NICs for now.
	CONFIG_NICINTEL ?= no

	# Always enable SPI on Intel NICs for now.
	CONFIG_NICINTEL_SPI ?= no

	# Always enable SPI on OGP cards for now.
	CONFIG_OGP_SPI ?= no

	# Always enable Bus Pirate SPI for now.
	CONFIG_BUSPIRATE_SPI ?= no

	# Enable Linux I2C for ChromeOS EC
	CONFIG_LINUX_I2C ?= no

	# Disable Linux spidev interface support for now, until we check for a Linux
	# device (not host, as DOS binaries for example are built on a Linux host).
	CONFIG_LINUX_SPI ?= no

	# Disable Dediprog SF100 until support is complete and tested.
	CONFIG_DEDIPROG ?= no

	# Always enable Marvell SATA controllers for now.
	CONFIG_SATAMV ?= yes

	# Disable wiki printing by default. It is only useful if you have wiki access.
	CONFIG_PRINT_WIKI ?= no

	# Bitbanging SPI infrastructure, default off unless needed.
	ifeq ($(CONFIG_RAYER_SPI), yes)
	override CONFIG_BITBANG_SPI = yes
	else
	ifeq ($(CONFIG_INTERNAL), yes)
	override CONFIG_BITBANG_SPI = yes
	else
	ifeq ($(CONFIG_NICINTEL_SPI), yes)
	override CONFIG_BITBANG_SPI = yes
	else
	ifeq ($(CONFIG_OGP_SPI), yes)
	override CONFIG_BITBANG_SPI = yes
	else
	CONFIG_BITBANG_SPI ?= no
	endif
	endif
	endif
	endif

	ifeq ($(CONFIG_INTERNAL), yes)
	FEATURE_CFLAGS += -D'CONFIG_INTERNAL=1'
	PROGRAMMER_OBJS += processor_enable.o chipset_enable.o board_enable.o cbtable.o dmi.o internal.o gec.o
	ifeq ($(ARCH),"x86")
	PROGRAMMER_OBJS += gec_lpc.o it87spi.o it85spi.o mec1308.o sb600spi.o wbsio_spi.o mcp6x_spi.o wpce775x.o ene_lpc.o
	PROGRAMMER_OBJS += ichspi.o ich_descriptors.o
	else
	ifeq ($(ARCH),"arm")
	PROGRAMMER_OBJS += gec_i2c.o tegra2_spi.o
	endif
	NEED_PCI := yes
	endif
	endif

	ifeq ($(CONFIG_SERPROG), yes)
	FEATURE_CFLAGS += -D'CONFIG_SERPROG=1'
	PROGRAMMER_OBJS += serprog.o
	NEED_SERIAL := yes
	NEED_NET := yes
	endif

	ifeq ($(CONFIG_RAYER_SPI), yes)
	FEATURE_CFLAGS += -D'CONFIG_RAYER_SPI=1'
	PROGRAMMER_OBJS += rayer_spi.o
	# Actually, NEED_PCI is wrong. NEED_IOPORT_ACCESS would be more correct.
	NEED_PCI := yes
	endif

	ifeq ($(CONFIG_BITBANG_SPI), yes)
	FEATURE_CFLAGS += -D'CONFIG_BITBANG_SPI=1'
	PROGRAMMER_OBJS += bitbang_spi.o
	endif

	ifeq ($(CONFIG_NIC3COM), yes)
	FEATURE_CFLAGS += -D'CONFIG_NIC3COM=1'
	PROGRAMMER_OBJS += nic3com.o
	NEED_PCI := yes
	endif

	ifeq ($(CONFIG_GFXNVIDIA), yes)
	FEATURE_CFLAGS += -D'CONFIG_GFXNVIDIA=1'
	PROGRAMMER_OBJS += gfxnvidia.o
	NEED_PCI := yes
	endif

	ifeq ($(CONFIG_SATASII), yes)
	FEATURE_CFLAGS += -D'CONFIG_SATASII=1'
	PROGRAMMER_OBJS += satasii.o
	NEED_PCI := yes
	endif

	ifeq ($(CONFIG_ATAHPT), yes)
	FEATURE_CFLAGS += -D'CONFIG_ATAHPT=1'
	PROGRAMMER_OBJS += atahpt.o
	NEED_PCI := yes
	endif

	ifeq ($(CONFIG_FT2232_SPI), yes)
	FTDILIBS := $(shell pkg-config --libs libftdi 2>/dev/null \|\| printf "%s" "-lftdi -lusb")
	# This is a totally ugly hack.
	FEATURE_CFLAGS += $(shell LC_ALL=C grep -q "FTDISUPPORT := yes" .features && printf "%s" "-D'CONFIG_FT2232_SPI=1'")
	FEATURE_LIBS += $(shell LC_ALL=C grep -q "FTDISUPPORT := yes" .features && printf "%s" "$(FTDILIBS)")
	PROGRAMMER_OBJS += ft2232_spi.o
	endif

	ifeq ($(CONFIG_DUMMY), yes)
	FEATURE_CFLAGS += -D'CONFIG_DUMMY=1'
	PROGRAMMER_OBJS += dummyflasher.o
	endif

	ifeq ($(CONFIG_DRKAISER), yes)
	FEATURE_CFLAGS += -D'CONFIG_DRKAISER=1'
	PROGRAMMER_OBJS += drkaiser.o
	NEED_PCI := yes
	endif

	ifeq ($(CONFIG_NICREALTEK), yes)
	FEATURE_CFLAGS += -D'CONFIG_NICREALTEK=1'
	PROGRAMMER_OBJS += nicrealtek.o
	NEED_PCI := yes
	endif

	ifeq ($(CONFIG_NICNATSEMI), yes)
	FEATURE_CFLAGS += -D'CONFIG_NICNATSEMI=1'
	PROGRAMMER_OBJS += nicnatsemi.o
	NEED_PCI := yes
	endif

	ifeq ($(CONFIG_NICINTEL), yes)
	FEATURE_CFLAGS += -D'CONFIG_NICINTEL=1'
	PROGRAMMER_OBJS += nicintel.o
	NEED_PCI := yes
	endif

	ifeq ($(CONFIG_NICINTEL_SPI), yes)
	FEATURE_CFLAGS += -D'CONFIG_NICINTEL_SPI=1'
	PROGRAMMER_OBJS += nicintel_spi.o
	NEED_PCI := yes
	endif

	ifeq ($(CONFIG_OGP_SPI), yes)
	FEATURE_CFLAGS += -D'CONFIG_OGP_SPI=1'
	PROGRAMMER_OBJS += ogp_spi.o
	NEED_PCI := yes
	endif

	ifeq ($(CONFIG_BUSPIRATE_SPI), yes)
	FEATURE_CFLAGS += -D'CONFIG_BUSPIRATE_SPI=1'
	PROGRAMMER_OBJS += buspirate_spi.o
	NEED_SERIAL := yes
	endif

	ifeq ($(CONFIG_LINUX_I2C), yes)
	FEATURE_CFLAGS += -D'CONFIG_LINUX_I2C=1'
	PROGRAMMER_OBJS += linux_i2c.o
	endif

	ifeq ($(CONFIG_LINUX_SPI), yes)
	FEATURE_CFLAGS += -D'CONFIG_LINUX_SPI=1'
	PROGRAMMER_OBJS += linux_spi.o
	endif

	ifeq ($(CONFIG_DEDIPROG), yes)
	FEATURE_CFLAGS += -D'CONFIG_DEDIPROG=1'
	FEATURE_LIBS += -lusb
	PROGRAMMER_OBJS += dediprog.o
	endif

	ifeq ($(CONFIG_SATAMV), yes)
	FEATURE_CFLAGS += -D'CONFIG_SATAMV=1'
	PROGRAMMER_OBJS += satamv.o
	NEED_PCI := yes
	endif

	ifeq ($(NEED_SERIAL), yes)
	LIB_OBJS += serial.o
	endif

	ifeq ($(NEED_NET), yes)
	ifeq ($(OS_ARCH), SunOS)
	LIBS += -lsocket
	endif
	endif

	ifeq ($(NEED_PCI), yes)
	CHECK_LIBPCI = yes
	FEATURE_CFLAGS += -D'NEED_PCI=1'
	PROGRAMMER_OBJS += pcidev.o physmap.o hwaccess.o
	ifeq ($(OS_ARCH), NetBSD)
	# The libpci we want is called libpciutils on NetBSD and needs NetBSD libpci.
	LIBS += -lpciutils -lpci
	# For (i386\|x86_64)_iopl(2).
	LIBS += -l$(shell uname -p)
	else
	ifeq ($(OS_ARCH), DOS)
	# FIXME There needs to be a better way to do this
	LIBS += ../libpci/lib/libpci.a
	else
	ifeq ($(CONFIG_STATIC), yes)
	LIBS_PCI := $(shell $(PKG_CONFIG) --libs --static libpci)
	LIBS += -static $(LIBS_PCI)
	else
	LIBS += -lpci
	endif
	ifeq ($(OS_ARCH), OpenBSD)
	# For (i386\|amd64)_iopl(2).
	LIBS += -l$(shell uname -m)
	endif
	endif
	endif
	endif

	ifeq ($(CONFIG_PRINT_WIKI), yes)
	FEATURE_CFLAGS += -D'CONFIG_PRINT_WIKI=1'
	CLI_OBJS += print_wiki.o
	endif

	FEATURE_CFLAGS += $(shell LC_ALL=C grep -q "UTSNAME := yes" .features && printf "%s" "-D'HAVE_UTSNAME=1'")

	# We could use PULLED_IN_LIBS, but that would be ugly.
	FEATURE_LIBS += $(shell LC_ALL=C grep -q "NEEDLIBZ := yes" .libdeps && printf "%s" "-lz")

	LIBFLASHROM_OBJS = $(CHIP_OBJS) $(PROGRAMMER_OBJS) $(LIB_OBJS)
	OBJS = $(CLI_OBJS) $(LIBFLASHROM_OBJS)

	$(PROGRAM)$(EXEC_SUFFIX): $(OBJS)
	$(CC) $(LDFLAGS) -o $(PROGRAM)$(EXEC_SUFFIX) $(OBJS) $(FEATURE_LIBS) $(LIBS)

	libflashrom.a: $(LIBFLASHROM_OBJS)
	$(AR) rcs $@ $^
	$(RANLIB) $@

	# TAROPTIONS reduces information leakage from the packager's system.
	# If other tar programs support command line arguments for setting uid/gid of
	# stored files, they can be handled here as well.
	TAROPTIONS = $(shell LC_ALL=C tar --version\|grep -q GNU && echo "--owner=root --group=root")

	%.o: %.c .features
	$(CC) -MMD $(CFLAGS) $(CPPFLAGS) $(FEATURE_CFLAGS) $(SVNDEF) -o $@ -c $<

	# Make sure to add all names of generated binaries here.
	# This includes all frontends and libflashrom.
	# We don't use EXEC_SUFFIX here because we want to clean everything.
	clean:
	rm -f $(PROGRAM) $(PROGRAM).exe libflashrom.a .o .d

	distclean: clean
	rm -f .features .libdeps

	strip: $(PROGRAM)$(EXEC_SUFFIX)
	$(STRIP) $(STRIP_ARGS) $(PROGRAM)$(EXEC_SUFFIX)

	# to define test programs we use verbatim variables, which get exported
	# to environment variables and are referenced with $$<varname> later

	define COMPILER_TEST
	int main(int argc, char **argv)
	{
	(void) argc;
	(void) argv;
	return 0;
	}
	endef
	export COMPILER_TEST

	compiler: featuresavailable
	@printf "Checking for a C compiler... "
	@echo "$$COMPILER_TEST" > .test.c
	@$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) .test.c -o .test$(EXEC_SUFFIX) >/dev/null 2>&1 && \
	echo "found." \|\| ( echo "not found."; \
	rm -f .test.c .test$(EXEC_SUFFIX); exit 1)
	@rm -f .test.c .test$(EXEC_SUFFIX)
	@printf "ARCH is "
	@# FreeBSD wc will output extraneous whitespace.
	@echo $(ARCH)\|wc -l\|grep -q '^[[:blank:]]1[[:blank:]]$$' \|\| \
	( echo "unknown. Aborting."; exit 1)
	@printf "%s\n" '$(ARCH)'

	define LIBPCI_TEST
	/* Avoid a failing test due to libpci header symbol shadowing breakage */
	#define index shadow_workaround_index
	#include <pci/pci.h>
	struct pci_access *pacc;
	int main(int argc, char **argv)
	{
	(void) argc;
	(void) argv;
	pacc = pci_alloc();
	return 0;
	}
	endef
	export LIBPCI_TEST

	ifeq ($(CHECK_LIBPCI), yes)
	pciutils: compiler
	@printf "Checking for libpci headers... "
	@echo "$$LIBPCI_TEST" > .test.c
	@$(CC) -c $(CPPFLAGS) $(CFLAGS) .test.c -o .test.o >/dev/null 2>&1 && \
	echo "found." \|\| ( echo "not found."; echo; \
	echo "Please install libpci headers (package pciutils-devel)."; \
	echo "See README for more information."; echo; \
	rm -f .test.c .test.o; exit 1)
	@printf "Checking if libpci is present and sufficient... "
	@printf "" > .libdeps
	@$(CC) $(LDFLAGS) .test.o -o .test$(EXEC_SUFFIX) $(LIBS) >/dev/null 2>&1 && \
	echo "yes." \|\| ( echo "no."; \
	printf "Checking if libz+libpci are present and sufficient..."; \
	$(CC) $(LDFLAGS) .test.o -o .test$(EXEC_SUFFIX) $(LIBS) -lz >/dev/null 2>&1 && \
	( echo "yes."; echo "NEEDLIBZ := yes" > .libdeps ) \|\| ( echo "no."; echo; \
	echo "Please install libpci (package pciutils) and/or libz."; \
	echo "See README for more information."; echo; \
	rm -f .test.c .test.o .test$(EXEC_SUFFIX); exit 1) )
	@rm -f .test.c .test.o .test$(EXEC_SUFFIX)
	else
	pciutils: compiler
	@printf "" > .libdeps
	endif

	.features: features

	# If a user does not explicitly request a non-working feature, we should
	# silently disable it. However, if a non-working (does not compile) feature
	# is explicitly requested, we should bail out with a descriptive error message.
	ifeq ($(UNSUPPORTED_FEATURES), )
	featuresavailable:
	else
	featuresavailable:
	@echo "The following features are unavailable on your machine: $(UNSUPPORTED_FEATURES)"
	@false
	endif

	define FTDI_TEST
	#include <ftdi.h>
	struct ftdi_context *ftdic = NULL;
	int main(int argc, char **argv)
	{
	(void) argc;
	(void) argv;
	return ftdi_init(ftdic);
	}
	endef
	export FTDI_TEST

	define UTSNAME_TEST
	#include <sys/utsname.h>
	struct utsname osinfo;
	int main(int argc, char **argv)
	{
	(void) argc;
	(void) argv;
	uname (&osinfo);
	return 0;
	}
	endef
	export UTSNAME_TEST

	features: compiler
	@echo "FEATURES := yes" > .features.tmp
	ifeq ($(CONFIG_FT2232_SPI), yes)
	@printf "Checking for FTDI support... "
	@echo "$$FTDI_TEST" > .featuretest.c
	@$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) .featuretest.c -o .featuretest$(EXEC_SUFFIX) $(FTDILIBS) $(LIBS) >/dev/null 2>&1 && \
	( echo "found."; echo "FTDISUPPORT := yes" >> .features.tmp ) \|\| \
	( echo "not found."; echo "FTDISUPPORT := no" >> .features.tmp )
	endif
	@printf "Checking for utsname support... "
	@echo "$$UTSNAME_TEST" > .featuretest.c
	@$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) .featuretest.c -o .featuretest$(EXEC_SUFFIX) >/dev/null 2>&1 && \
	( echo "found."; echo "UTSNAME := yes" >> .features.tmp ) \|\| \
	( echo "not found."; echo "UTSNAME := no" >> .features.tmp )
	@$(DIFF) -q .features.tmp .features >/dev/null 2>&1 && rm .features.tmp \|\| mv .features.tmp .features
	@rm -f .featuretest.c .featuretest$(EXEC_SUFFIX)

	install: $(PROGRAM)$(EXEC_SUFFIX)
	mkdir -p $(DESTDIR)$(PREFIX)/sbin
	mkdir -p $(DESTDIR)$(MANDIR)/man8
	$(INSTALL) -m 0755 $(PROGRAM)$(EXEC_SUFFIX) $(DESTDIR)$(PREFIX)/sbin
	$(INSTALL) -m 0644 $(PROGRAM).8 $(DESTDIR)$(MANDIR)/man8

	export:
	@rm -rf $(EXPORTDIR)/flashrom-$(RELEASENAME)
	@svn export -r BASE . $(EXPORTDIR)/flashrom-$(RELEASENAME)
	@sed "s/^SVNVERSION.*/SVNVERSION := $(SVNVERSION)/" Makefile >$(EXPORTDIR)/flashrom-$(RELEASENAME)/Makefile
	@LC_ALL=C svn log >$(EXPORTDIR)/flashrom-$(RELEASENAME)/ChangeLog
	@echo Exported $(EXPORTDIR)/flashrom-$(RELEASENAME)/

	tarball: export
	@tar cjf $(EXPORTDIR)/flashrom-$(RELEASENAME).tar.bz2 -C $(EXPORTDIR)/ $(TAROPTIONS) flashrom-$(RELEASENAME)/
	@rm -rf $(EXPORTDIR)/flashrom-$(RELEASENAME)
	@echo Created $(EXPORTDIR)/flashrom-$(RELEASENAME).tar.bz2

	djgpp-dos: clean
	make CC=i586-pc-msdosdjgpp-gcc STRIP=i586-pc-msdosdjgpp-strip WARNERROR=no OS_ARCH=DOS

	.PHONY: all clean distclean compiler pciutils features export tarball dos featuresavailable

	-include $(OBJS:.o=.d)